In CSS, you have two techniques for visualizing change that are competing for your attention: Animations & Transitions. In this article, let's examine the similarities and differences between them so that you can know when to use which.

To make the most of this article, it would be helpful for you to be familiar with using both animations and transitions. If you haven't had a chance to get your hands dirty with them, the Creating a Simple CSS Animation and Looking at CSS3 Transitions tutorials will help you get started.

In 2008, I worked on Boots.com. They wanted a single-page checkout with the trendiest of techniques from that era, including accordions, AJAX and client-side validation.

Each step (delivery address, delivery options and credit-card details) had an accordion panel. Each panel was submitted via AJAX. Upon successful submission, the panel collapsed and the next one opened, with a sliding transition.

You’ve been working up a storm in Sketch, and for that you deserve all of the high-fives. But now it’s time to kick things up a notch and improve your workflow—so stop what you’re doing and grab these 30 free Sketch plugins.

Material Design is a unified system that combines theory, resources, and tools for crafting digital experiences.

We often think about accessibility in the design and build process, but content is always king. These are some ongoing considerations to keep your text and media accessible.

SVG is one of the most powerful tools in a front-end developer's arsenal, and while its browser support is excellent, there's enough rough edges that a lot of people consistently reach for an alternative such as icon fonts, static images or CSS-only drawing techniques.

This guide is meant to help designers lay out UI quickly and consistently. It’s particularly helpful for designing mobile app UI where there are fixed constraints, though I find it useful for responsive web design as well.

As with many design guidelines, the examples may be more helpful while designing than read independently.

When people arrive on your homepage you have mere seconds to impress them, explain what you’re about and convince them to stick around. This is an important moment yet most sites miss the opportunity to impress and connect with their visitors.

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As a designer you’ve probably heard the term grid whether you’re designing a website, a magazine, or a mobile app. We have grids for all sorts of content arrangements. We use column grids to align content horizontally. Baseline grids to vertically align bodies of text. Soft grids and hard grids to describe how strictly we adhere to them. I took interest in the 8pt grid system after hearing Bryn Jackson avidly talk about it. I decided to find out what, if any, benefits an 8pt system could give my designs.

HTML email: Two words that, when combined, brings tears to a developer’s eyes. If you’re a web developer, it’s inevitable that coding an email will be a task that gets dropped in your lap at some time in your career, whether you like it or not. Coding HTML email is old school. Think back to 1999, when we called ourselves “webmasters” and used Frontpage, WYSIWYG editors and tables to mark up our websites.

Color is an important part of almost any design. Whether you are a fan of bright, bold hues or prefer a more minimalist black and white, how you use color can have a great impact on the overall design.